LXR linux/drivers/staging/wlan-ng/prism2usb.c

   1#include "hfa384x_usb.c"
   2#include "prism2mgmt.c"
   3#include "prism2mib.c"
   4#include "prism2sta.c"
   5#include "prism2fw.c"
   6
   7#define PRISM_DEV(vid, pid, name)               \
   8        { USB_DEVICE(vid, pid),                 \
   9        .driver_info = (unsigned long) name }
  10
  11static struct usb_device_id usb_prism_tbl[] = {
  12        PRISM_DEV(0x04bb, 0x0922, "IOData AirPort WN-B11/USBS"),
  13        PRISM_DEV(0x07aa, 0x0012, "Corega Wireless LAN USB Stick-11"),
  14        PRISM_DEV(0x09aa, 0x3642, "Prism2.x 11Mbps WLAN USB Adapter"),
  15        PRISM_DEV(0x1668, 0x0408, "Actiontec Prism2.5 11Mbps WLAN USB Adapter"),
  16        PRISM_DEV(0x1668, 0x0421, "Actiontec Prism2.5 11Mbps WLAN USB Adapter"),
  17        PRISM_DEV(0x1915, 0x2236, "Linksys WUSB11v3.0 11Mbps WLAN USB Adapter"),
  18        PRISM_DEV(0x066b, 0x2212, "Linksys WUSB11v2.5 11Mbps WLAN USB Adapter"),
  19        PRISM_DEV(0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter"),
  20        PRISM_DEV(0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter"),
  21        PRISM_DEV(0x08de, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"),
  22        PRISM_DEV(0x8086, 0x1111, "Intel PRO/Wireless 2011B LAN USB Adapter"),
  23        PRISM_DEV(0x0d8e, 0x7a01, "PRISM25 IEEE 802.11 Mini USB Adapter"),
  24        PRISM_DEV(0x045e, 0x006e, "Microsoft MN510 Wireless USB Adapter"),
  25        PRISM_DEV(0x0967, 0x0204, "Acer Warplink USB Adapter"),
  26        PRISM_DEV(0x0cde, 0x0002, "Z-Com 725/726 Prism2.5 USB/USB Integrated"),
  27        PRISM_DEV(0x0cde, 0x0005, "Z-Com Xl735 Wireless 802.11b USB Adapter"),
  28        PRISM_DEV(0x413c, 0x8100, "Dell TrueMobile 1180 Wireless USB Adapter"),
  29        PRISM_DEV(0x0b3b, 0x1601, "ALLNET 0193 11Mbps WLAN USB Adapter"),
  30        PRISM_DEV(0x0b3b, 0x1602, "ZyXEL ZyAIR B200 Wireless USB Adapter"),
  31        PRISM_DEV(0x0baf, 0x00eb, "USRobotics USR1120 Wireless USB Adapter"),
  32        PRISM_DEV(0x0411, 0x0027, "Melco WLI-USB-KS11G 11Mbps WLAN Adapter"),
  33        PRISM_DEV(0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter"),
  34        PRISM_DEV(0x0846, 0x4110, "NetGear MA111"),
  35        PRISM_DEV(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter"),
  36        PRISM_DEV(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter"),
  37        PRISM_DEV(0x2001, 0x3700, "DWL-122 Wireless USB Adapter"),
  38        PRISM_DEV(0x2001, 0x3702, "DWL-120 Rev F Wireless USB Adapter"),
  39        PRISM_DEV(0x50c2, 0x4013, "Averatec USB WLAN Adapter"),
  40        PRISM_DEV(0x2c02, 0x14ea, "Planex GW-US11H WLAN USB Adapter"),
  41        PRISM_DEV(0x124a, 0x168b, "Airvast PRISM3 WLAN USB Adapter"),
  42        PRISM_DEV(0x083a, 0x3503, "T-Sinus 111 USB WLAN Adapter"),
  43        PRISM_DEV(0x2821, 0x3300, "Hawking HighDB USB Adapter"),
  44        PRISM_DEV(0x0411, 0x0044, "Melco WLI-USB-KB11 11Mbps WLAN Adapter"),
  45        PRISM_DEV(0x1668, 0x6106, "ROPEX FreeLan 802.11b USB Adapter"),
  46        PRISM_DEV(0x124a, 0x4017, "Pheenet WL-503IA 802.11b USB Adapter"),
  47        PRISM_DEV(0x0bb2, 0x0302, "Ambit Microsystems Corp."),
  48        PRISM_DEV(0x9016, 0x182d, "Sitecom WL-022 802.11b USB Adapter"),
  49        PRISM_DEV(0x0543, 0x0f01,
  50                "ViewSonic Airsync USB Adapter 11Mbps (Prism2.5)"),
  51        PRISM_DEV(0x067c, 0x1022,
  52                "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter"),
  53        PRISM_DEV(0x049f, 0x0033,
  54                "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter"),
  55        { } /* terminator */
  56};
  57MODULE_DEVICE_TABLE(usb, usb_prism_tbl);
  58
  59static int prism2sta_probe_usb(struct usb_interface *interface,
  60                               const struct usb_device_id *id)
  61{
  62        struct usb_device *dev;
  63
  64        wlandevice_t *wlandev = NULL;
  65        hfa384x_t *hw = NULL;
  66        int result = 0;
  67
  68        dev = interface_to_usbdev(interface);
  69        wlandev = create_wlan();
  70        if (wlandev == NULL) {
  71                dev_err(&interface->dev, "Memory allocation failure.\n");
  72                result = -EIO;
  73                goto failed;
  74        }
  75        hw = wlandev->priv;
  76
  77        if (wlan_setup(wlandev, &(interface->dev)) != 0) {
  78                dev_err(&interface->dev, "wlan_setup() failed.\n");
  79                result = -EIO;
  80                goto failed;
  81        }
  82
  83        /* Initialize the hw data */
  84        hfa384x_create(hw, dev);
  85        hw->wlandev = wlandev;
  86
  87        /* Register the wlandev, this gets us a name and registers the
  88         * linux netdevice.
  89         */
  90        SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));
  91
  92        /* Do a chip-level reset on the MAC */
  93        if (prism2_doreset) {
  94                result = hfa384x_corereset(hw,
  95                                           prism2_reset_holdtime,
  96                                           prism2_reset_settletime, 0);
  97                if (result != 0) {
  98                        result = -EIO;
  99                        dev_err(&interface->dev,
 100                                "hfa384x_corereset() failed.\n");
 101                        goto failed_reset;
 102                }
 103        }
 104
 105        usb_get_dev(dev);
 106
 107        wlandev->msdstate = WLAN_MSD_HWPRESENT;
 108
 109        /* Try and load firmware, then enable card before we register */
 110        prism2_fwtry(dev, wlandev);
 111        prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 112
 113        if (register_wlandev(wlandev) != 0) {
 114                dev_err(&interface->dev, "register_wlandev() failed.\n");
 115                result = -EIO;
 116                goto failed_register;
 117        }
 118
 119        goto done;
 120
 121failed_register:
 122        usb_put_dev(dev);
 123failed_reset:
 124        wlan_unsetup(wlandev);
 125failed:
 126        kfree(wlandev);
 127        kfree(hw);
 128        wlandev = NULL;
 129
 130done:
 131        usb_set_intfdata(interface, wlandev);
 132        return result;
 133}
 134
 135static void prism2sta_disconnect_usb(struct usb_interface *interface)
 136{
 137        wlandevice_t *wlandev;
 138
 139        wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 140        if (wlandev != NULL) {
 141                LIST_HEAD(cleanlist);
 142                struct list_head *entry;
 143                struct list_head *temp;
 144                unsigned long flags;
 145
 146                hfa384x_t *hw = wlandev->priv;
 147
 148                if (!hw)
 149                        goto exit;
 150
 151                spin_lock_irqsave(&hw->ctlxq.lock, flags);
 152
 153                p80211netdev_hwremoved(wlandev);
 154                list_splice_init(&hw->ctlxq.reapable, &cleanlist);
 155                list_splice_init(&hw->ctlxq.completing, &cleanlist);
 156                list_splice_init(&hw->ctlxq.pending, &cleanlist);
 157                list_splice_init(&hw->ctlxq.active, &cleanlist);
 158
 159                spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
 160
 161                /* There's no hardware to shutdown, but the driver
 162                 * might have some tasks or tasklets that must be
 163                 * stopped before we can tear everything down.
 164                 */
 165                prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 166
 167                del_singleshot_timer_sync(&hw->throttle);
 168                del_singleshot_timer_sync(&hw->reqtimer);
 169                del_singleshot_timer_sync(&hw->resptimer);
 170
 171                /* Unlink all the URBs. This "removes the wheels"
 172                 * from the entire CTLX handling mechanism.
 173                 */
 174                usb_kill_urb(&hw->rx_urb);
 175                usb_kill_urb(&hw->tx_urb);
 176                usb_kill_urb(&hw->ctlx_urb);
 177
 178                tasklet_kill(&hw->completion_bh);
 179                tasklet_kill(&hw->reaper_bh);
 180
 181                flush_scheduled_work();
 182
 183                /* Now we complete any outstanding commands
 184                 * and tell everyone who is waiting for their
 185                 * responses that we have shut down.
 186                 */
 187                list_for_each(entry, &cleanlist) {
 188                        hfa384x_usbctlx_t *ctlx;
 189
 190                        ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
 191                        complete(&ctlx->done);
 192                }
 193
 194                /* Give any outstanding synchronous commands
 195                 * a chance to complete. All they need to do
 196                 * is "wake up", so that's easy.
 197                 * (I'd like a better way to do this, really.)
 198                 */
 199                msleep(100);
 200
 201                /* Now delete the CTLXs, because no-one else can now. */
 202                list_for_each_safe(entry, temp, &cleanlist) {
 203                        hfa384x_usbctlx_t *ctlx;
 204
 205                        ctlx = list_entry(entry, hfa384x_usbctlx_t, list);
 206                        kfree(ctlx);
 207                }
 208
 209                /* Unhook the wlandev */
 210                unregister_wlandev(wlandev);
 211                wlan_unsetup(wlandev);
 212
 213                usb_put_dev(hw->usb);
 214
 215                hfa384x_destroy(hw);
 216                kfree(hw);
 217
 218                kfree(wlandev);
 219        }
 220
 221exit:
 222        usb_set_intfdata(interface, NULL);
 223}
 224
 225#ifdef CONFIG_PM
 226static int prism2sta_suspend(struct usb_interface *interface,
 227                                pm_message_t message)
 228{
 229        hfa384x_t *hw = NULL;
 230        wlandevice_t *wlandev;
 231
 232        wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 233        if (!wlandev)
 234                return -ENODEV;
 235
 236        hw = wlandev->priv;
 237        if (!hw)
 238                return -ENODEV;
 239
 240        prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
 241
 242        usb_kill_urb(&hw->rx_urb);
 243        usb_kill_urb(&hw->tx_urb);
 244        usb_kill_urb(&hw->ctlx_urb);
 245
 246        return 0;
 247}
 248
 249static int prism2sta_resume(struct usb_interface *interface)
 250{
 251        int result = 0;
 252        hfa384x_t *hw = NULL;
 253        wlandevice_t *wlandev;
 254
 255        wlandev = (wlandevice_t *) usb_get_intfdata(interface);
 256        if (!wlandev)
 257                return -ENODEV;
 258
 259        hw = wlandev->priv;
 260        if (!hw)
 261                return -ENODEV;
 262
 263        /* Do a chip-level reset on the MAC */
 264        if (prism2_doreset) {
 265                result = hfa384x_corereset(hw,
 266                                           prism2_reset_holdtime,
 267                                           prism2_reset_settletime, 0);
 268                if (result != 0) {
 269                        unregister_wlandev(wlandev);
 270                        hfa384x_destroy(hw);
 271                        dev_err(&interface->dev, "hfa384x_corereset() failed.\n");
 272                        kfree(wlandev);
 273                        kfree(hw);
 274                        wlandev = NULL;
 275                        return -ENODEV;
 276                }
 277        }
 278
 279        prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);
 280
 281        return 0;
 282}
 283#else
 284#define prism2sta_suspend NULL
 285#define prism2sta_resume NULL
 286#endif /* CONFIG_PM */
 287
 288static struct usb_driver prism2_usb_driver = {
 289        .name = "prism2_usb",
 290        .probe = prism2sta_probe_usb,
 291        .disconnect = prism2sta_disconnect_usb,
 292        .id_table = usb_prism_tbl,
 293        .suspend = prism2sta_suspend,
 294        .resume = prism2sta_resume,
 295        .reset_resume = prism2sta_resume,
 296        /* fops, minor? */
 297};
 298
 299module_usb_driver(prism2_usb_driver);
 300